diff --git a/package-lock.json b/package-lock.json
index d0c0aef7..d913cc6a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "@relaycorp/shared-config": "^1.14.1",
         "@types/jest": "^29.5.4",
         "@types/node": "^20.8.10",
-        "@types/split2": "^4.2.2",
+        "@types/split2": "^4.2.3",
         "del-cli": "^5.0.0",
         "get-port": "^7.0.0",
         "jest": "^29.6.4",
@@ -4859,9 +4859,9 @@
       "dev": true
     },
     "node_modules/@types/split2": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/@types/split2/-/split2-4.2.2.tgz",
-      "integrity": "sha512-jKo76iDQja9V5FTNFXhZfSThQFTIpI+7SrRjcIZwbaDgg6xhDAyx35s7w6E5h7A3pQbu11Kwo9H7HAH0JYDn1Q==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/@types/split2/-/split2-4.2.3.tgz",
+      "integrity": "sha512-59OXIlfUsi2k++H6CHgUQKEb2HKRokUA39HY1i1dS8/AIcqVjtAAFdf8u+HxTWK/4FUHMJQlKSZ4I6irCBJ1Zw==",
       "dev": true,
       "dependencies": {
         "@types/node": "*"
diff --git a/package.json b/package.json
index 325a55a1..6c9ada81 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@relaycorp/shared-config": "^1.14.1",
     "@types/jest": "^29.5.4",
     "@types/node": "^20.8.10",
-    "@types/split2": "^4.2.2",
+    "@types/split2": "^4.2.3",
     "del-cli": "^5.0.0",
     "get-port": "^7.0.0",
     "jest": "^29.6.4",